3.3 Phase Changes What are six common phase changes?

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Presentation transcript:

3.3 Phase Changes What are six common phase changes? What happens to a substance’s temperature and a system’s energy during a phase change? How does the arrangement of water molecules change during melting and freezing? How are evaporation and boiling different? https://www.planetofthevapes.co.uk/sites/default/files/news/listing/iceberg.jpg

3.3 Phase Changes Characteristics of Phase Changes A. One way to recognize a phase change is by measuring the temperature of the substance. B. Temperature DOES NOT change during a phase change. http://www.splung.com/heat/images/latentheat/phasechange.png

3.3 Phase Changes C. Energy is either absorbed or released during a phase change. 1. Endothermic change- energy is absorbed from its surroundings. 2. Exothermic change- energy is released to the surroundings. http://blogs.cas.suffolk.edu/bmmcdowell/files/2011/12/Endothermic-Reaction.jpg https://cbssacramento.files.wordpress.com/2013/12/95686616.jpg?w=620&h=349&crop=1

3.3 Phase Changes Gas Solid Liquid

3.3 Phase Changes Gas Solid Liquid

3.3 Phase Changes Gas Solid Liquid

3.2 Changes of Matter Gas Solid Liquid

3.2 Changes of Matter Gas Solid Liquid

3.2 Changes of Matter Gas Solid Liquid

3.3 Phase Changes Gas Solid Liquid

3.3 Phase Changes Heat Energy Temperature

3.3 Phase Changes Assignment:

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